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    4. how do you determine the rpm on a electric motor?
    how do you determine the rpm on a electric motor?

    i need to change a pulley to reduce the rpm but how do i determine
    what the actual rpm currently is?

    Answer this
    0  Views: 921 Answers: 2 Posted: 15 years ago
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      2 Answers

      It should be on the motor somewhere, check this site for info.:

      http://www.reliance.com/mtr/flaclcmn.htm
      15 years ago. Rating: 1
      Comment this answer

        The two main factors are the frequency and the number of poles of the motor. A formula for RPM is HZ x 60 x 2/ number of poles the motor has.
        Or you can just call the manufacturer and get the info. from them.
        15 years ago. Rating: 1
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